<!DOCTYPE html>
<html lang="en">
	<head>
		<meta charset="UTF-8" />
		<meta http-equiv="X-UA-Compatible" content="IE=edge" />
		<meta name="viewport" content="width=device-width, initial-scale=1.0" />
		<title>列表排序</title>
		<script src="../../JS/vue.js"></script>
	</head>
	<body>
		<div id="root">
			<h2>人员列表</h2>
			<input type="text" v-model="keyWord" />
			<button @click="sotrType=2">年龄升序</button>
			<button @click="sotrType=1">年龄降序</button>
			<button @click="sotrType=0">原顺序</button>
			<ul>
				<li v-for="(p,index) of filPersons" :key="p.id">
					{{p.name}} - {{p.age}} - {{p.sex}}
				</li>
			</ul>
		</div>
		<script>
			new Vue({
				el: '#root',
				data: {
					keyWord: '',
					sotrType: 0,
					persons: [
						{id: '001', name: '马冬梅', age: 45, sex: '女'},
						{id: '002', name: '周冬雨', age: 35, sex: '女'},
						{id: '003', name: '周杰伦', age: 34, sex: '男'},
						{id: '004', name: '温兆伦', age: 90, sex: '男'}
					]
					// filPersons: []
				},
				// watch: {
				// 	immediate: true,
				// 	handler(val) {
				// 		this.filPersons = this.persons.filter(
				// 			p => p.name.indexOf(val) !== -1
				// 		)
				// 	}
				// },
				computed: {
					filPersons() {
						const arr = this.persons.filter(
							p => p.name.indexOf(this.keyWord) !== -1
						)
						if (this.sotrType) {
							arr.sort((p1, p2) => {
								return this.sotrType === 1 ? p2.age - p1.age : p1.age - p2.age
							})
						}
						return arr
					}
				},
				methods: {}
			})
		</script>
	</body>
</html>
